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MUHLENKAMP & CO INC: LYB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MUHLENKAMP & CO INC on LYB, newest first. How the timeline and the estimate are built.

MUHLENKAMP & CO INC held 187,920 LYB shares at 2026-06-30 per its 13F-HR filed 2026-08-18.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 187,920 shares
    Change vs previous 13F +761 shares

    2.87% of the 13F portfolio, value $9,893,988.

    13F-HR 0001133219-26-000003 filed by MUHLENKAMP & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 187,159 shares
    Change vs previous 13F +1,338 shares

    3.97% of the 13F portfolio, value $15,077,529.

    13F-HR 0001133219-26-000002 filed by MUHLENKAMP & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 185,821 shares
    Change vs previous 13F +1,746 shares

    2.16% of the 13F portfolio, value $8,046,049.

    13F-HR 0001133219-26-000001 filed by MUHLENKAMP & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 184,075 shares
    Change vs previous 13F not available

    2.45% of the 13F portfolio, value $9,027,014.

    13F-HR 0001133219-25-000006 filed by MUHLENKAMP & CO INC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).